400 Y

1981 Sanglas 400 Y Technical Analysis & Specification Breakdown

Positioned in Sanglas's motorcycle lineup, the 1981 Sanglas 400 Y relies on a 392 cc (23.9 cu in) air-cooled twin, four-stroke powerplant. In factory specification, peak output is rated at 27 HP (19.7 kW) at 7,100 rpm, transferring power to the rear wheel through a 6-speed gearbox and chain final drive. With a specific output of 68.9 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

On the scales, the 400 Y measures 177 kg (390 lbs) wet (curb), translating to a power-to-weight ratio of 0.15 HP/kg (6.56 kg per horsepower). The 18-liter (4.8 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 140 km/h (87 mph).

Within MotoLibrary's Sanglas archive, this model family spans 4 indexed model years from 1979 to 1982, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.